diff --git a/parquet-hadoop/src/main/java/org/apache/parquet/hadoop/metadata/ColumnChunkMetaData.java b/parquet-hadoop/src/main/java/org/apache/parquet/hadoop/metadata/ColumnChunkMetaData.java index 4ba52dec2c..70d06762a0 100644 --- a/parquet-hadoop/src/main/java/org/apache/parquet/hadoop/metadata/ColumnChunkMetaData.java +++ b/parquet-hadoop/src/main/java/org/apache/parquet/hadoop/metadata/ColumnChunkMetaData.java @@ -824,7 +824,10 @@ protected void decryptIfNeeded() { if (decrypted) return; if (null == fileDecryptor) { - throw new ParquetCryptoRuntimeException(path + ". Null File Decryptor"); + throw new ParquetCryptoRuntimeException( + "Column '" + path + "' is encrypted but no decryption properties were provided. " + + "Please provide FileDecryptionProperties when reading the file using ParquetReader.builder() " + + "or ParquetFileReader.open() methods."); } // Decrypt the ColumnMetaData